Home / 20,193.03-27,863.10-11,240.33

Finding the Fourth Proportional to 20,193.03, 27,863.10 and 11,240.33

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Solution

The fourth proportional to 20,193.03, 27,863.10 and 11,240.33 is: 15,509.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.03 : 27,863.10 = 11,240.33 : x
  2. Step 2: Convert to fraction form
    20,193.03/27,863.10 = 11,240.33/x
  3. Step 3: Cross multiply
    20,193.03x = 27,863.10 × 11,240.33
  4. Step 4: Simplify right side
    20,193.03x = 313,190,299.51
  5. Step 5: Solve for x
    x = 313,190,299.51/20,193.03
  6. Step 6: Final answer
    x = 15,509.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.